From f7395268c0826d00f2d32db8abb9eba7e3159a75 Mon Sep 17 00:00:00 2001 From: tmk Date: Tue, 3 Sep 2013 23:53:19 +0900 Subject: [PATCH] Add ld script for keymap section --- keyboard/hhkb/Makefile | 5 + keyboard/hhkb/keymap.c | 19 ++- keyboard/hhkb/ld_keymap_avr5.x | 268 +++++++++++++++++++++++++++++++++ 3 files changed, 284 insertions(+), 8 deletions(-) create mode 100644 keyboard/hhkb/ld_keymap_avr5.x diff --git a/keyboard/hhkb/Makefile b/keyboard/hhkb/Makefile index 1ef0a0187a5..34221937218 100644 --- a/keyboard/hhkb/Makefile +++ b/keyboard/hhkb/Makefile @@ -119,6 +119,10 @@ COMMAND_ENABLE = yes # Commands for debug and configuration NKRO_ENABLE = yes # USB Nkey Rollover +# keymap section +EXTRALDFLAGS = -Wl,-Tld_keymap_avr5.x +OPT_DEFS += -DKEYMAP_SECTION + # Search Path VPATH += $(TARGET_DIR) VPATH += $(TOP_DIR) @@ -128,4 +132,5 @@ include $(TOP_DIR)/common.mk include $(TOP_DIR)/rules.mk debug-on: EXTRAFLAGS += -DDEBUG +#debug-on: EXTRAFLAGS += -DDEBUG -DDEBUG_ACTION debug-on: all diff --git a/keyboard/hhkb/keymap.c b/keyboard/hhkb/keymap.c index faa62dd7e1d..5c3bc9de6fd 100644 --- a/keyboard/hhkb/keymap.c +++ b/keyboard/hhkb/keymap.c @@ -48,8 +48,11 @@ along with this program. If not, see . { KC_##K70, KC_##K71, KC_##K72, KC_##K73, KC_##K74, KC_##K75, KC_##K76, KC_NO } \ } - -static const uint8_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = { +#ifdef KEYMAP_SECTION +const uint8_t keymaps[][MATRIX_ROWS][MATRIX_COLS] __attribute__ ((section (".keymap.keymaps"))) = { +#else +static const uint8_t keymaps[][MATRIX_ROWS][MATRIX_COLS] PROGMEM = { +#endif /* Layer 0: Default Layer * ,-----------------------------------------------------------. * |Esc| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| -| =| \| `| @@ -186,7 +189,11 @@ enum macro_id { /* * Fn action definition */ -static const uint16_t PROGMEM fn_actions[] = { +#ifdef KEYMAP_SECTION +const uint16_t fn_actions[] __attribute__ ((section (".keymap.fn_actions"))) = { +#else +static const uint16_t fn_actions[] PROGMEM = { +#endif [0] = ACTION_DEFAULT_LAYER_SET(0), // Default layer(not used) [1] = ACTION_LAYER_TAP_TOGGLE(1), // HHKB layer(toggle with 5 taps) [2] = ACTION_LAYER_TAP_KEY(2, KC_SLASH), // Cursor layer with Slash* @@ -310,10 +317,6 @@ uint8_t keymap_key_to_keycode(uint8_t layer, key_t key) action_t keymap_fn_to_action(uint8_t keycode) { action_t action; - if (FN_INDEX(keycode) < sizeof(fn_actions) / sizeof(fn_actions[0])) { - action.code = pgm_read_word(&fn_actions[FN_INDEX(keycode)]); - } else { - action.code = ACTION_NO; - } + action.code = pgm_read_word(&fn_actions[FN_INDEX(keycode)]); return action; } diff --git a/keyboard/hhkb/ld_keymap_avr5.x b/keyboard/hhkb/ld_keymap_avr5.x new file mode 100644 index 00000000000..c09693e514d --- /dev/null +++ b/keyboard/hhkb/ld_keymap_avr5.x @@ -0,0 +1,268 @@ +/* + * linker script for configurable keymap + * + * This adds keymap section which places keymap at fixed address and + * is based on binutils-avr ldscripts(/usr/lib/ldscripts/avr5.x). + */ +OUTPUT_FORMAT("elf32-avr","elf32-avr","elf32-avr") +OUTPUT_ARCH(avr:5) +MEMORY +{ + /* With keymap section + * + * Flash Map of ATMega32U4(32KB) + * +------------+ 0x0000 + * | .vectors | + * | .progmem | + * | .init0-9 | > text region + * | .text | + * | .fini9-0 | + * | | + * |------------| _etext + * | .data | + * | .bss | > data region + * | .noinit | + * | | + * |------------| 0x6800 + * | .keymap | > keymap region(2KB) + * |------------| 0x7000 + * | bootloader | 4KB + * +------------+ 0x7FFF + */ + text (rx) : ORIGIN = 0, LENGTH = 128K + keymap (rw!x) : ORIGIN = 0x6800, LENGTH = 2K + data (rw!x) : ORIGIN = 0x800060, LENGTH = 0xffa0 + eeprom (rw!x) : ORIGIN = 0x810000, LENGTH = 64K + fuse (rw!x) : ORIGIN = 0x820000, LENGTH = 1K + lock (rw!x) : ORIGIN = 0x830000, LENGTH = 1K + signature (rw!x) : ORIGIN = 0x840000, LENGTH = 1K +} +SECTIONS +{ + /* Read-only sections, merged into text segment: */ + .hash : { *(.hash) } + .dynsym : { *(.dynsym) } + .dynstr : { *(.dynstr) } + .gnu.version : { *(.gnu.version) } + .gnu.version_d : { *(.gnu.version_d) } + .gnu.version_r : { *(.gnu.version_r) } + .rel.init : { *(.rel.init) } + .rela.init : { *(.rela.init) } + .rel.text : + { + *(.rel.text) + *(.rel.text.*) + *(.rel.gnu.linkonce.t*) + } + .rela.text : + { + *(.rela.text) + *(.rela.text.*) + *(.rela.gnu.linkonce.t*) + } + .rel.fini : { *(.rel.fini) } + .rela.fini : { *(.rela.fini) } + .rel.rodata : + { + *(.rel.rodata) + *(.rel.rodata.*) + *(.rel.gnu.linkonce.r*) + } + .rela.rodata : + { + *(.rela.rodata) + *(.rela.rodata.*) + *(.rela.gnu.linkonce.r*) + } + .rel.data : + { + *(.rel.data) + *(.rel.data.*) + *(.rel.gnu.linkonce.d*) + } + .rela.data : + { + *(.rela.data) + *(.rela.data.*) + *(.rela.gnu.linkonce.d*) + } + .rel.ctors : { *(.rel.ctors) } + .rela.ctors : { *(.rela.ctors) } + .rel.dtors : { *(.rel.dtors) } + .rela.dtors : { *(.rela.dtors) } + .rel.got : { *(.rel.got) } + .rela.got : { *(.rela.got) } + .rel.bss : { *(.rel.bss) } + .rela.bss : { *(.rela.bss) } + .rel.plt : { *(.rel.plt) } + .rela.plt : { *(.rela.plt) } + /* Internal text space or external memory. */ + .text : + { + *(.vectors) + KEEP(*(.vectors)) + /* For data that needs to reside in the lower 64k of progmem. */ + *(.progmem.gcc*) + *(.progmem*) + . = ALIGN(2); + __trampolines_start = . ; + /* The jump trampolines for the 16-bit limited relocs will reside here. */ + *(.trampolines) + *(.trampolines*) + __trampolines_end = . ; + /* For future tablejump instruction arrays for 3 byte pc devices. + We don't relax jump/call instructions within these sections. */ + *(.jumptables) + *(.jumptables*) + /* For code that needs to reside in the lower 128k progmem. */ + *(.lowtext) + *(.lowtext*) + __ctors_start = . ; + *(.ctors) + __ctors_end = . ; + __dtors_start = . ; + *(.dtors) + __dtors_end = . ; + KEEP(SORT(*)(.ctors)) + KEEP(SORT(*)(.dtors)) + /* From this point on, we don't bother about wether the insns are + below or above the 16 bits boundary. */ + *(.init0) /* Start here after reset. */ + KEEP (*(.init0)) + *(.init1) + KEEP (*(.init1)) + *(.init2) /* Clear __zero_reg__, set up stack pointer. */ + KEEP (*(.init2)) + *(.init3) + KEEP (*(.init3)) + *(.init4) /* Initialize data and BSS. */ + KEEP (*(.init4)) + *(.init5) + KEEP (*(.init5)) + *(.init6) /* C++ constructors. */ + KEEP (*(.init6)) + *(.init7) + KEEP (*(.init7)) + *(.init8) + KEEP (*(.init8)) + *(.init9) /* Call main(). */ + KEEP (*(.init9)) + *(.text) + . = ALIGN(2); + *(.text.*) + . = ALIGN(2); + *(.fini9) /* _exit() starts here. */ + KEEP (*(.fini9)) + *(.fini8) + KEEP (*(.fini8)) + *(.fini7) + KEEP (*(.fini7)) + *(.fini6) /* C++ destructors. */ + KEEP (*(.fini6)) + *(.fini5) + KEEP (*(.fini5)) + *(.fini4) + KEEP (*(.fini4)) + *(.fini3) + KEEP (*(.fini3)) + *(.fini2) + KEEP (*(.fini2)) + *(.fini1) + KEEP (*(.fini1)) + *(.fini0) /* Infinite loop after program termination. */ + KEEP (*(.fini0)) + _etext = . ; + } > text + .data : AT (ADDR (.text) + SIZEOF (.text)) + { + PROVIDE (__data_start = .) ; + *(.data) + *(.data*) + *(.rodata) /* We need to include .rodata here if gcc is used */ + *(.rodata*) /* with -fdata-sections. */ + *(.gnu.linkonce.d*) + . = ALIGN(2); + _edata = . ; + PROVIDE (__data_end = .) ; + } > data + .bss : AT (ADDR (.bss)) + { + PROVIDE (__bss_start = .) ; + *(.bss) + *(.bss*) + *(COMMON) + PROVIDE (__bss_end = .) ; + } > data + __data_load_start = LOADADDR(.data); + __data_load_end = __data_load_start + SIZEOF(.data); + /* Global data not cleared after reset. */ + .noinit : + { + PROVIDE (__noinit_start = .) ; + *(.noinit*) + PROVIDE (__noinit_end = .) ; + _end = . ; + PROVIDE (__heap_start = .) ; + } > data + /* keymap region is located at end of flash + * .fn_actions Fn actions definitions + * .keymaps Mapping layers + */ + .keymap : + { + PROVIDE(__keymap_start = .) ; + *(.keymap.fn_actions) /* 32*actions = 64bytes */ + . = ALIGN(0x40); + *(.keymap.keymaps) /* rest of .keymap section */ + *(.keymap*) + /* . = ALIGN(0x800); */ /* keymap section takes 2KB- */ + } > keymap = 0x00 /* zero fill */ + .eeprom : + { + *(.eeprom*) + __eeprom_end = . ; + } > eeprom + .fuse : + { + KEEP(*(.fuse)) + KEEP(*(.lfuse)) + KEEP(*(.hfuse)) + KEEP(*(.efuse)) + } > fuse + .lock : + { + KEEP(*(.lock*)) + } > lock + .signature : + { + KEEP(*(.signature*)) + } > signature + /* Stabs debugging sections. */ + .stab 0 : { *(.stab) } + .stabstr 0 : { *(.stabstr) } + .stab.excl 0 : { *(.stab.excl) } + .stab.exclstr 0 : { *(.stab.exclstr) } + .stab.index 0 : { *(.stab.index) } + .stab.indexstr 0 : { *(.stab.indexstr) } + .comment 0 : { *(.comment) } + /* DWARF debug sections. + Symbols in the DWARF debugging sections are relative to the beginning + of the section so we begin them at 0. */ + /* DWARF 1 */ + .debug 0 : { *(.debug) } + .line 0 : { *(.line) } + /* GNU DWARF 1 extensions */ + .debug_srcinfo 0 : { *(.debug_srcinfo) } + .debug_sfnames 0 : { *(.debug_sfnames) } + /* DWARF 1.1 and DWARF 2 */ + .debug_aranges 0 : { *(.debug_aranges) } + .debug_pubnames 0 : { *(.debug_pubnames) } + /* DWARF 2 */ + .debug_info 0 : { *(.debug_info) *(.gnu.linkonce.wi.*) } + .debug_abbrev 0 : { *(.debug_abbrev) } + .debug_line 0 : { *(.debug_line) } + .debug_frame 0 : { *(.debug_frame) } + .debug_str 0 : { *(.debug_str) } + .debug_loc 0 : { *(.debug_loc) } + .debug_macinfo 0 : { *(.debug_macinfo) } +}